The geomagnetic secular variation, 1900-1965

by Joseph C. Cain

The secular variation of magnetic declination in Ireland

by J. McWilliams

Geomagnetic secular variation observations in southern Afric...

by Magnetic Observatory (South African Council for Scientific and Industrial Research)

Geomagnetic secular variation observations in southern Afric...

by Magnetic Observatory (South African Council for Scientific and Industrial Research)

A study of South African rainfall, secular variations and ag...

by T. E. W. Schumann

Secular variations of the atmospheric circulation since 1750

by H. H. Lamb

Secular variations of the atmospheric circulation since 1750

by H. H. Lamb

Paleomagnetism and secular variation of Easter Island basalt...

by Laurie Brown Isaacson

The secular variation programme of the Hermanus Magnetic Obs...

by Magnetic Observatory (South African Council for Scientific and Industrial Research)

On the secular variation in the latitude distribution of sun...

by Truls S. Ringnes

Secular variations of the orbits of the four inner planets.

The secular variations of the orbital elements of the princi...

by Dirk Brouwer

High precision measurements for studying secular variation i...

by Aimo Kiviniemi

A detailed paleomagnetic investigation of geomagnetic secula...

by Ismail B. Hussin

Statistics of the geomagnetic secular variation for the past...

by C. G. Constable

The secular variation of the magnetic elements at Valentia O...

by J. McWilliams

High precision measurements for studying the secular variati...

by Aimo Kiviniemi

Proceedings of Symposium on the Earth's Gravitational Field ...

by Symposium on the Earth's Gravitational Field and Secular Variations in Position University of New South Wales 1973.

Final report on geomagnetic field models incorporating physi...

by Catherine Constable

On the secular variations and mutual relations of the orbits...

by Simon Newcomb